High-precision gas mixing system and method

Abstract

The invention discloses a high-precision gas mixing system, which comprises a buffer gas tank, a gas distribution system I and a water tank, wherein the gas distribution system I comprises a variablefrequency blower I and at least one gas distribution tank I; the gas distribution tank I is connected with a controllable combustible gas input pipeline, a controllable air input pipeline and a controllable mixed gas output pipeline; and the bottom of the gas distribution tank I is connected with the water tank through a water pump I. The system realizes the process of mixing and exhausting combustible gas and oxygen by controlling the rise and fall of a water level in the gas distribution tank, and can also regulate the air distribution volume according to the component change of the combustible gas to meet the requirement of the optimum mixing ratio and achieve the aim of quick and uniform high-precision gas mixing, so that the gas is fully combusted to achieve the aim of harmless treatment. The system can also realize the matching use of two sets of gas distribution tank systems so as to realize a continuous gas mixing and exhausting process. The invention also provides a high-precision gas mixing method.

Description

technical field [0001] The invention relates to a high-precision gas mixing system, and also relates to a high-precision gas mixing method. Background technique [0002] More than half of the compressed gases and liquefied gases listed in the "List of Inflammable and Explosive Chemicals for Fire Safety Supervision and Management" are flammable gases. Any flammable gas can ignite or explode when it encounters a fire source, and some even need only a tiny amount of energy to ignite and explode. Compared with flammable liquids and solids, flammable gases are easier to burn, and the burning speed is fast, and they will be exhausted when they burn. The gas composed of simple components is more flammable than the gas composed of complex components, with faster burning speed, higher flame temperature, and greater risk of fire and explosion. [0003] In industrial production, flammable, explosive and other toxic and harmful gases are often encountered because of accidents that nee...

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Problems solved by technology

[0003] In industrial production, we often encounter flammable, explosive and other toxic and harmful gases that need to be discharged due to accidents. If these toxic and harmful gases are not handled properly, they will cause great harm.

At present, the method of torch combustion is generally used at home and abroad to realize gas treatment. In order to achieve the best combustion effect and reduce the generation of nitrogen oxides when dealing with flammable and explosive gases, it is necessary to control the ratio of combustibles and oxygen, such as For methane gas, VCH is required in order to achieve complete combustion 4 :O 2 =1:2, in addition, if the gas is mixed unevenly, the combustion effect will not be ideal

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